国家/地区 美国（3） 世界知识产权组织（3） 中国（2） 欧洲专利局（EPO）（2） 日本（2） 韩国（2） 台湾（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 C01B（3）
IPC C01B031/04（3）
发明人
公开年 2015（3）
申请年 2014（3）
专利权人

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

Preparing graphene oxide film, used to prepare e.g. dual-layer graphene-oxide film, includes concentrating graphite oxide aqueous slurry, depositing obtained gel slurry on low-friction surface and spreading by bar coating and drying.

CRUZSILVA R, MORELOS A, TERRONES M, ELIAS A L, PEREALOPEZ N, ENDO M

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y